20202012202011 has 4 divisors (see below), whose sum is σ = 26936016269352. Its totient is φ = 13468008134672.

The previous prime is 20202012202003. The next prime is 20202012202027. The reversal of 20202012202011 is 11020221020202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20202012202011 - 2³ = 20202012202003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20202012202111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3367002033666 + ... + 3367002033671.

It is an arithmetic number, because the mean of its divisors is an integer number (6734004067338).

Almost surely, 2^{20202012202011} is an apocalyptic number.

20202012202011 is a deficient number, since it is larger than the sum of its proper divisors (6734004067341).

20202012202011 is an equidigital number, since it uses as much as digits as its factorization.

20202012202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734004067340.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20202012202011 its reverse (11020221020202), we get a palindrome (31222233222213).

The spelling of 20202012202011 in words is "twenty trillion, two hundred two billion, twelve million, two hundred two thousand, eleven".